[Bug tree-optimization/52285] [4.7 Regression] libgcrypt _gcry_burn_stack slowdown

2012-02-20 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52285 Jakub Jelinek changed: What|Removed |Added CC||ebotcazou at gcc dot |

[Bug tree-optimization/52285] [4.7 Regression] libgcrypt _gcry_burn_stack slowdown

2012-02-16 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52285 --- Comment #4 from Jakub Jelinek 2012-02-16 22:20:31 UTC --- Author: jakub Date: Thu Feb 16 22:20:27 2012 New Revision: 184317 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184317 Log: PR tree-optimization/52285 * tree-tailcall.

[Bug tree-optimization/52285] [4.7 Regression] libgcrypt _gcry_burn_stack slowdown

2012-02-16 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52285 --- Comment #3 from Jakub Jelinek 2012-02-16 18:50:27 UTC --- Created attachment 26681 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26681 gcc47-pr52285.patch Patch to ignore clobber stmts in tailc/tailr passes. This turns this testcase b

[Bug tree-optimization/52285] [4.7 Regression] libgcrypt _gcry_burn_stack slowdown

2012-02-16 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52285 Jakub Jelinek changed: What|Removed |Added Target Milestone|--- |4.7.0 --- Comment #2 from Jakub Jelinek

[Bug tree-optimization/52285] [4.7 Regression] libgcrypt _gcry_burn_stack slowdown

2012-02-16 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52285 --- Comment #1 from Jakub Jelinek 2012-02-16 18:25:24 UTC --- While it will slow down this exact testcase even more, I think tailr/tailc passes should ignore CLOBBER stmts.